Data registration and search method

Details Data registration and search method Data registration and search method

1991-07-23

1993-11-23

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

395600, G06F 15417

Patent

active

052651754

ABSTRACT:
A method of searching a plural pre-registered data lines in which each of the data lines has data units such as letters and an index number, and of registering a new data line which also has data units among the data lines. The index number indicates the number of the coinciding letters from the first letter between each of the data lines and a data line one preceding to the data line. The method includes the step of comparing the new data line with the first ordered data line among the pre-registered data lines according to alphabetical order. If the new data line is not the same as the first ordered data line, other pre-registered data lines are searched in order to determine an order of the new data line to be registered among the pre-registered data lines. For the determination of the order; firstly, the number of coinciding letters from the first letter between the new data line and the first ordered data line is recognized as a reference number; and secondly, only pre-registered data lines which have equal or larger index numbers than the reference number is searched according to the index numbers.

REFERENCES:
patent: 4677550 (1987-06-01), Ferguson
patent: 4794528 (1988-12-01), Hirose et al.
patent: 4823306 (1989-04-01), Barbic et al.
patent: 4907283 (1990-03-01), Tanaka et al.
patent: 5121493 (1992-06-01), Ferguson

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